Name: how a voltage doubler raises ac output
Uploaded: 2025-05-22T09:06:19.000Z
Duration: 1 min 23 s
Channel: JoVE

Considere un circuito duplicador de voltaje compuesto por dos secciones consecutivas: una sección de sujeción y una sección rectificadora.
La sección de sujeción consta de un condensador C1 y un diodo D1, mientras que la sección rectificadora consta de un diodo D2 y un condensador C2.
Cuando se aplica una entrada sinusoidal de amplitud específica a la sección de sujeción, genera una forma de onda de voltaje de salida a través del diodo, asumiendo el comportamiento ideal del diodo.
Fija los picos positivos a cero voltios mientras permite que el pico negativo alcance un valor dos veces la amplitud de la entrada sinusoidal.
La forma de onda de salida a través de la sección de sujeción sirve como entrada a la sección del rectificador.
Genera un voltaje de CC a través del condensador C2, que equivale al doble de la amplitud de la entrada sinusoidal.
Como el voltaje de salida es el doble del valor máximo del voltaje de entrada, este circuito se conoce como duplicador de voltaje.
Esta técnica se puede extender para generar voltajes de salida con múltiplos más altos de la amplitud de la sinusoide de entrada.
Los duplicadores de voltaje se utilizan en diversas aplicaciones, incluidos equipos científicos, procesamiento de señales y convertidores de CC a CC en dispositivos electrónicos.

circuito duplicador de voltaje

Voltage Doubler Circuit

Un circuito duplicador de voltaje integra dos componentes principales: una sección de sujeción y una sección rectificadora. La sección de sujeción consta de un condensador (C_1) y un diodo (D_1), mientras que la sección del rectificador está equipada con otro diodo (D_2) y un condensador (C_2). Este circuito produce un voltaje de salida con el doble de amplitud que el voltaje de entrada sinusoidal.
<img alt="Figure 1" src="/files/ftp_upload/15724/15724_Figure_1v2.svg" style="height: 132px;">
El circuito comienza a funcionar cuando se introduce una entrada sinusoidal en la sección de sujeción. En condiciones ideales, esta sección genera una forma de onda de voltaje a través del diodo D_1, fijando efectivamente los picos positivos a cero voltios y permitiendo que el pico negativo alcance una magnitud que es el doble de la amplitud de la entrada sinusoidal. Esta forma de onda transformada desde la sección de sujeción, luego se alimenta a la sección rectificadora. Aquí ocurre una transformación notable, que produce un voltaje de CC a través del capacitor C_2. Este voltaje refleja el doble de la amplitud de la entrada sinusoidal inicial, proporcionando el efecto de duplicación que le da al circuito su nombre y marca su función principal.
El principio detrás del duplicador de voltaje no solo se limita a duplicar sino que también se puede adaptar para multiplicar el voltaje de entrada por factores más altos, ampliando su alcance de aplicación. Los duplicadores de voltaje son fundamentales en varios campos, encuentran su uso en instrumentos científicos, mejoran las técnicas de procesamiento de señales y sirven como componentes esenciales en convertidores CC-CC en numerosos dispositivos electrónicos. Esta capacidad de duplicar el voltaje de manera eficiente hace que el circuito duplicador de voltaje sea una piedra angular en el diseño y la aplicación electrónicos.

Circuito duplicador de voltaje

Considere un circuito duplicador de voltaje compuesto por dos secciones consecutivas: una sección de sujeción y una sección rectificadora.
La sección de sujeción consta de un ...

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how a voltage doubler raises ac output

A voltage doubler circuit raises the output voltage by using a clamping section and a rectifier section. The clamping section includes a capacitor, C1, and a diode, D1. The rectifier section includes a second diode, D2, and a capacitor, C2.

The circuit starts working when a sinusoidal input signal enters the clamping section. Under ideal conditions, this stage clamps the positive peaks at zero volts. It also lets the negative peak reach a magnitude that is twice the input amplitude.

That shaped waveform then moves into the rectifier section. There, the circuit produces a DC voltage across capacitor C2. This output equals twice the amplitude of the original sinusoidal input, which gives the circuit its voltage-doubling effect.

The same principle can also be extended to multiply the input voltage by higher factors. Because of this, voltage doublers are useful in scientific instruments, signal processing, and DC-DC converters found in many electronic devices. This makes the circuit an important part of electronic design and application.

How a Voltage Doubler Raises AC Output

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A voltage doubler circuit raises the output voltage by using a clamping section and a rectifier section. The clamping section includes a capacitor, C1, and a diode, D1. The rectifier section includes a second diode, D2, and a capacitor, C2. The circuit starts working when a sinusoidal input signal enters the clamping section. Under ideal conditions, this stage clamps the positive peaks at zero volts. It also lets the negative peak reach a magnitude that is twice the input amplitude. That...

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key terms and concepts

Learn how a clamping section and rectifier section work together in a voltage doubler circuit to produce a DC output with twice the input amplitude.

How a Voltage Doubler Raises AC Output | JoVE K12

JoVE Core Electrical Engineering offers easy-to-understand animated videos that cover fundamental concepts of electric circuits along with circuit analysis techniques. It incorporates first-order and second-order circuits using operational amplifiers and circuit transformation concepts. The inclusion of practical design examples and real-world applications through scientist-in-action videos adds significant educational value, making complex concepts accessible.

electrical engineering

How a Voltage Doubler Raises AC Output

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